I did actually chuckle when I read your comment but what is wrong with using the usual tools at your disposal? All I did was slap a couple of piccies on the end of a WebDAV share.
Nothing, other than the format and experience of downloading a document to be opened with a desktop application.
There's a lot of one click image sharing services out there. I use Windows key+shift+S to take a screenshot and then go to imgur.com which supports reading images from the clipboard, bam, instant URL for my pic.